Alwedad Contracting Co. Ltd

Email:,     Jeddah: +966 12 6914410,     Riyadh: +966 11 2884155

Air Defense Head Quarters Building

Project Summary

The project consists of three buildings (a New Accommodation building and two extension buildings to the east and west of the existing building). In addition to the utility, the building includes a pump room, generator room, and central electric room with a total build-up area of 10,325 m². 

Project Brief:


MODA/Air Defense Forces

Main Contractor

Direct contract


Riyadh, KSA

Scope of work:

Total electro-mechanical work

Project duration

1999 - 2004

Contract Value



Scope of project:

Our scope in this project covers the supply, Installation, and testing of the following works:

Mechanical Works:

  • Provide Air conditioning to the buildings by using a combined chilled water system and rooftop package units with a total cooling capacity of 396.0 TR
  • Provide ventilation to the buildings through exhaust fans.
  • Underground piping works for; firefighting, water supply & drainage system.
  • Above ceiling/exposed piping & pipe risers for chilled water system & other systems
  • HVAC Ductwork with complete components & accessories.
  • Toilet fixtures and Bathroom accessories.
  • Plumbing Fixtures and plumbing appliances
  • Firefighting wet sprinkler system and FM200 systems for utility rooms.
  • Fire hose Cabinets and fire hydrants with all devices and accessories.
  • Installation of pumps with all consecutive valves and accessories
  • Air balancing and water balancing for HVAC system.
  • Building Management System.
  • Testing & commissioning of all mechanical systems.

Electrical Works:

  • Electrical Distribution equipment with a total load of 1980.22 KVA
  • Main Distribution panel boards with the main rating of 3008.63 Amps. and Sub-distribution boards
  • Installation of a stand by Generator with a total capacity of 1250 KVA
  • Raceways
  • Conductors and Grounding
  • Boxes & Wiring devices
  • Starters, Boards, and Switches
  • Lighting systems
  • Electrical Utilities
  • Telecommunication system
  • Security systems
  • VOICE Systems
  • MATV System
ALWEDAD Contracting Co.